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Programming: Google Open sourcing ClusterFuzz, Mozilla Development Updates, Rust and Python

Submitted by Roy Schestowitz on Friday 8th of February 2019 07:48:01 AM Filed under
Development
  • Open sourcing ClusterFuzz

    Fuzzing is an automated method for detecting bugs in software that works by feeding unexpected inputs to a target program. It is effective at finding memory corruption bugs, which often have serious security implications. Manually finding these issues is both difficult and time consuming, and bugs often slip through despite rigorous code review practices. For software projects written in an unsafe language such as C or C++, fuzzing is a crucial part of ensuring their security and stability.

    In order for fuzzing to be truly effective, it must be continuous, done at scale, and integrated into the development process of a software project. To provide these features for Chrome, we wrote ClusterFuzz, a fuzzing infrastructure running on over 25,000 cores. Two years ago, we began offering ClusterFuzz as a free service to open source projects through OSS-Fuzz.

  • WebRender newsletter #39

    Hi there! The project keeps making very good progress (only 7 blocker bugs left at the time of writing these words, some of which have fixes in review). This means good confidence about our ability to ship in Firefox soon. I expect bugs and crash reports to spike as WebRender reaches a larger user population, which will keep us busy for a short while, and once things settle we’ll be able to go back to something we have been postponing for a while: polishing, adding new features and preparing WebRender for new platforms. Exciting!

  • Refactoring MDN macros with async, await, and Object.freeze()

    In March of last year, the MDN Engineering team began the experiment of publishing a monthly changelog on Mozilla Hacks. After nine months of the changelog format, we’ve decided it’s time to try something that we hope will be of interest to the web development community more broadly, and more fun for us to write. These posts may not be monthly, and they won’t contain the kind of granular detail that you would expect from a changelog. They will cover some of the more interesting engineering work we do to manage and grow the MDN Web Docs site. And if you want to know exactly what has changed and who has contributed to MDN, you can always check the repos on GitHub.

    In January, we landed a major refactoring of the KumaScript codebase and that is going to be the topic of this post because the work included some techniques of interest to JavaScript programmers.

  • Mozilla Heads to Capitol Hill to Defend Net Neutrality

    Today Denelle Dixon, Mozilla COO, had the honor of testifying on behalf of Mozilla before a packed United States House of Representatives Energy & Commerce Telecommunications Subcommittee in support of our ongoing fight for net neutrality. It was clear: net neutrality principles are broadly embraced, even in partisan Washington.

    Our work to restore net neutrality is driven by our mission to build a better, healthier internet that puts users first. And we believe that net neutrality is fundamental to preserving an open internet that creates room for new businesses and new ideas to emerge and flourish, and where internet users can choose freely the companies, products, and services that put their interests first.

  • Rust: A unique perspective

    The Rust programming language is designed to ensure memory safety, using a mix of compile-time and run-time checks to stop programs from accessing invalid pointers or sharing memory across threads without proper synchronization.

    The way Rust does this is usually introduced in terms of mutable and immutable borrowing and lifetimes. This makes sense, because these are mechanisms that Rust programmers must use directly. They describe what the Rust compiler checks when it compiles a program.

    However, there is another way to explain Rust. This alternate story focuses on unique versus shared access to values in memory. I believe this version is useful for understanding why various checks exist and how they provide memory safety.

    Most experienced Rust programmers are already familiar with this concept. Five years ago, Niko Matsakis even proposed changing the mut keyword to uniq to emphasize it. My goal is to make these important ideas more accesssible to beginning and intermediate Rust programmers.

  • Announcing eu.pythonanywhere.com
  • Create Your First Python Web Crawler Using Scrapy
  • Test and Code: 64: Practicing Programming
  • Return the first capital character of a name
»

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